7.5

CVE-2026-10817: citrix netscaler_application_delivery_controller Out-of-bounds Read

CVSS: 7.5v3.1HighAnalyzed
Published 30-06-2026Last modified 30-06-2026
Open JSON

Vulnerability summary

CVE-2026-10817 is a high (CVSS 7.5) Out-of-bounds Read vulnerability in citrix netscaler_application_delivery_controller. EPSS estimates a 0.56% chance of exploitation in the next 30 days, higher than 45.5% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
0.56%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 30-06-2026
    PublishedVulnerability first disclosed.
  2. 30-06-2026
    Last modifiedVulnerability information updated.

Description

Insufficient input validation leading to memory overread in NetScaler ADC and NetScaler Gateway if the TCP TimeStamp is enabled in TCP Profile and is associated with the virtual server (of type LB, CS, VPN) or the service configured on NetScaler

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.56%

Chance of exploitation in the next 30 days

Percentile

46%

Versus all other CVEs

30-day change

0.00 pp

From 0.56% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.56%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Citrix2 products
Netscaler2 products
  • adc≥ 14.1, < 72.61 | ≥ 13.1, < 63.18 | ≥ 14.1 FIPS, < 72.61 | ≥ 13.1 FIPS and NDcPP, < 37.272
  • gateway≥ 14.1, < 72.61 | ≥ 13.1, < 63.18

2 vendors · 4 products

References

1 links